Finding the Fourth Proportional to 319,201.36, 440,500.95 and 175,966.57
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Solution
The fourth proportional to 319,201.36, 440,500.95 and 175,966.57 is: 242,835.56
Step by Step Solution
- Step 1: Write the proportion equation
319,201.36 : 440,500.95 = 175,966.57 : x - Step 2: Convert to fraction form
319,201.36/440,500.95 = 175,966.57/x - Step 3: Cross multiply
319,201.36x = 440,500.95 × 175,966.57 - Step 4: Simplify right side
319,201.36x = 77,513,441,253.24 - Step 5: Solve for x
x = 77,513,441,253.24/319,201.36 - Step 6: Final answer
x = 242,835.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.